Preform mold core plate



FIG. 1 is a front view of the core plate;

FIG. 2 is a bottom view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a front isometric view thereof; and,

FIG. 8 is a back isometric thereof. 

The ornamental design for a preform mold core plate, as shown and described. 